Media language ; Linguistic imperialism; Globalisierung; Globalization; Transnationalization; Colonialism/Globalization ; Sprachattitüde; Linguizismus; Linguicism; Prestige; Sprachliche Unsicherheit; Linguistic insecurity ; Language and society ; Sprachenpolitik; Language management; Language politics ; Multilingualism; Polylingualism; Plurilingualism ; Transfer (languages in contact) ; Adstratum language; Adstratsprache; Interference ; Sprachattitüde; Linguizismus; Linguicism; Prestige; Sprachliche Unsicherheit; Linguistic insecurity ; English as international medium ; Language diffusion; Language shift; Sprachwechsel; Language spread ; Sprachbewahrung; Ethnolinguistic vitality; Vitality, ethnolinguistic; Sprachwechsel; Language shift; Heritage language; Language maintenance ; Africa (English language in) ; Afrika (engl. Sprache in) ; English in Africa ; Voltasprachen; Goor; Gur ; Kwa languages ; Mande languages